risus sardonicus /särdon″ikəs/ [L, risus, laughter; Gk, sardonius, mocking] , a wry, masklike grin caused by spasm of the facial muscles, as seen in tetanus.
risus sardonicus
risus sardonicus /särdon″ikəs/ [L, risus, laughter; Gk, sardonius, mocking] , a wry, masklike grin caused by spasm of the facial muscles, as seen in tetanus.